Built for versatility, the K2 F.I.T. 84 Pro inline skate can take skating to the next level. That's because each D.C. aluminum frame houses four 84mm wheels, giving excellent stability and a smoother ride but still maintaining improve acceleration and easier control. Add in the proven support of the Stability Plus Cuff, and the speed lacing system closure and you've got a skate that's ready for skaters of any ability level.